Home / 28,426,278.52-39,228,499.02-16,203,922.84

Finding the Fourth Proportional to 28,426,278.52, 39,228,499.02 and 16,203,922.84

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Solution

The fourth proportional to 28,426,278.52, 39,228,499.02 and 16,203,922.84 is: 22,361,547.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426,278.52 : 39,228,499.02 = 16,203,922.84 : x
  2. Step 2: Convert to fraction form
    28,426,278.52/39,228,499.02 = 16,203,922.84/x
  3. Step 3: Cross multiply
    28,426,278.52x = 39,228,499.02 × 16,203,922.84
  4. Step 4: Simplify right side
    28,426,278.52x = 635,655,571,249,095.62
  5. Step 5: Solve for x
    x = 635,655,571,249,095.62/28,426,278.52
  6. Step 6: Final answer
    x = 22,361,547.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.